Home / 21,977.90-32,967.06-8,827.19

Finding the Fourth Proportional to 21,977.90, 32,967.06 and 8,827.19

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Solution

The fourth proportional to 21,977.90, 32,967.06 and 8,827.19 is: 13,240.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,977.90 : 32,967.06 = 8,827.19 : x
  2. Step 2: Convert to fraction form
    21,977.90/32,967.06 = 8,827.19/x
  3. Step 3: Cross multiply
    21,977.90x = 32,967.06 × 8,827.19
  4. Step 4: Simplify right side
    21,977.90x = 291,006,502.36
  5. Step 5: Solve for x
    x = 291,006,502.36/21,977.90
  6. Step 6: Final answer
    x = 13,240.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.